How many incremental backups do I need to keep?

I am using Acronis True Image Home 2012.   How many incremental backups do I need to keep in order to be able to restore my computer in the event of a disaster?
DoctorK12008Asked:
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arnoldCommented:
All until the full backup, if you only want keep the full plus one more, you have to use a differential backup.

Your question is rather broad and vague I.e. no info on your backup plan/setup to answer in greater detail.
Gary CaseRetiredCommented:
All of them since the last full backup.

When the # of incremental backups gets unmanageably large, do another full backup.

An incremental backup is all changes since the last backup -- whether full or incremental.

So if you do another full backup; then all incrementals before it can be deleted.    Then you can do incrementals -- keeping them all -- until the next full backup.  etc.

As noted in the previous comment, you need to determine what your backup strategy is;  then plan your backups accordingly.

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DoctorK12008Author Commented:
Thank you.   Simple and clear answer.
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